Specific_ConductivityWest Slope Temperature and Specific Conductivity

Purpose: To measure specific conductivity* to aid in modeling work being performed by Northern Colorado Water Conservancy's (Northern Water) Three Lakes Technical Committee.

Sites & Scope: Started in 2010, monitors were placed at ten locations where water enters the Three Lakes (Grand Lake, Shadow Mountain Reservoir, and Granby Reservoir).

Sampling Type & Frequency: Data is downloaded no more frequently than weekly. We are also calibrating the sensors at the same time. These sensors were first used by Northern and GCWIN in 2010, and we are still establishing reliability and drift data on them.

Sampling entity(ies): GCWIN and Northern Water .

Funding partners: Northern Colorado Water Conservancy District

Data: Check back updates about data availability.

* What is Specific Conductivity? Electrical conductivity is a measure of water's ability to conduct electricity, and therefore a measure of its ionic activity and content. Conductivity of the same water changes substantially as its temperature changes. To allow comparisons to be made, Electrical Conductivity is normalized to a temperature of 25 ÂșC, to eliminates this complication. That normalized number is Specific Conductivity. Conductivity can be used along with temperature to determine which layer of a standing water body a river or other inflow is entering.

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